# Configure PE2.
<Quidway> system-view
[Quidway] sysname PE2
[PE2] stp region-configuration
[PE2-mst-region] region-name RG1
[PE2-mst-region] active region-configuration
[PE2-mst-region] quit
# Configure PE3.
<Quidway> system-view
[Quidway] sysname PE3
[PE3] stp region-configuration
[PE3-mst-region] region-name RG1
[PE3-mst-region] active region-configuration
[PE3-mst-region] quit
# Configure PE4.
<Quidway> system-view
[Quidway] sysname PE4
[PE4] stp region-configuration
[PE4-mst-region] region-name RG1
[PE4-mst-region] active region-configuration
[PE4-mst-region] quit
2. Create VLANs and add interfaces to VLANs.
# On PE1, create VLAN 100 and add GE1/0/1, GE1/0/2, and GE1/0/3 to VLAN 100.
[PE1] vlan 100
[PE1-vlan100] quit
[PE1] interface gigabitethernet 1/0/1
[PE1-GigabitEthernet1/0/1] port hybrid tagged vlan 100
[PE1-GigabitEthernet1/0/1] quit
[PE1] interface gigabitethernet 1/0/2
[PE1-GigabitEthernet1/0/2] port hybrid tagged vlan 100
[PE1-GigabitEthernet1/0/2] quit
[PE1] interface gigabitethernet 1/0/3
[PE1-GigabitEthernet1/0/3] port hybrid tagged vlan 100
[PE1-GigabitEthernet1/0/3] quit
# On PE2, PE3, and PE4, create VLAN 100 and add GE1/0/1, GE1/0/2, and GE1/0/3 to
VLAN 100.
The configurations of PE2, PE3, and PE3 are similar to the configuration of PE1, and are
not mentioned here. For details about the configuration, see the configuration files.
3. Enable MSTP.
# Configure PE1.
[PE1] stp enable
# Configure PE2.
[PE2] stp enable
# Configure PE3.
[PE3] stp enable
# Configure PE4.
[PE4] stp enable
4. Configure PE3 as the root bridge and PE4 as the backup root bridge.
# Set the priority of PE3 to 0 in MSTI0 to ensure that PE3 functions as the root bridge.
[PE3] stp instance 0 priority 0
[PE3] stp root primary
# Set the priority of PE4 to 4096 in MSTI0 to ensure that PE4 functions as the backup root
bridge.
Quidway S7700 Smart Routing Switch
Configuration Guide - Ethernet 10 SEP Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
546
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